Langer's Sudoku Assistant

3
4
7
2
8
1
5
9
6
2
9
6
5
4
3
7
8
1
5
1
8
9
6
7
3
4
2
7
      3
    
       
4
1
6
9
8
      3
    
       
2
9
   3
    
       
2
8
      3
    
       
4
6
   3
    
       
7
6
8
   3
    
       
7
2
      3
    
       
4
9
   3
    
       
4
1
8
9
2
3
6
7
5
3
6
5
4
7
8
1
2
9
2
7
9
1
5
6
8
3
4

 

Start Over

Take any Sudoku puzzle you are having trouble with -- or any one at all -- and enter the initial values. With each entry the proscribed options are eliminated for you

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